- Unknown:
- Albert Finney
- Unknown:
- Vanessa Redgrave
- Unknown:
- Hugh Whitemore
- Producers:
- Frank Doeiger
- Producers:
- David M Thompson
- Director:
- Richard Loncraine
- Winston Churchill:
- Albert Finney
- Clementine Churchill:
- Vanessa Redgrave
- Ralph Wigram:
- Linus Roache
- Ava Wigram:
- Lena Headey
- Desmond Morton:
- Jim Broadbent
- David Inches:
- Ronnie Barker
- Sir Robert Vansittart:
- Tom Wilkinson
- Brendan Bracken:
- Anthony Brophy
- Randolph Churchill:
- Tom Hiddleston
- Stanley Baldwin:
- Derek Jacobi
- Mrs P (Violet Pearman):
- Celia Imrie
- Mr Wood:
- Edward Hardwicke
- Sarah Churchill:
- Dolly Wells
- Mrs Landemare:
- Diana Hoddinott
- Lord Moyne:
- John Standing
- Ethel:
- Danielle King
- Friedrich Von Schroder:
- Gottried John
- Marjorie:
- Joanna McCallurfl
- Peggy:
- Lyndsey Marshal
- Ivo Pettifer:
- Hugh Bonneville
- Terence Phillip:
- Simon Williams
- Diana Churchill:
- Nancy Carroll
- Vic Olliver:
- Gerard McArthur
- Harry Whitbread:
- Kenneth Hadley
- Lady Moyne:
- Rohan McCullough
- Mary Churchill:
- Emma Siegel
- Marlborough:
- Timothy Bentinck
- Charley Wigram:
- Laurie Flexman
